乙氧基喹啉粉末

Description

Ethoxyquin powder · CAS 91-53-2 · C14H19NO. UNII 9T1410R4OR. Boiling Point: 253 to 257 °F at 2 mmHg (NTP, 1992); Boiling Point: 123-125 °C AT 2 MM HG; Melting Point: Approximately 0 °C.

Identification

CAS Registry Number	91-53-2
PubChem CID	3293
Molecular formula	C14H19NO
IUPAC name	6-ethoxy-2,2,4-trimethyl-1H-quinoline
UNII (FDA)	9T1410R4OR

Computed Descriptors

Molecular Weight	217.31
XLogP3	3.1
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	2
Exact Mass	217.146664230
Monoisotopic Mass	217.146664230
Topological Polar Surface Area	21.3
Heavy Atom Count	16
Formal Charge	0

Physical & Chemical Properties

Boiling Point	253 to 257 °F at 2 mmHg (NTP, 1992)
Boiling Point	123-125 °C AT 2 MM HG
Melting Point	Approximately 0 °C
Flash Point	225 °F (NTP, 1992)
Density	1.029-1.031 AT 25 °C/25 °C
Vapor Density	7.48 (AIR= 1)
Vapor Pressure	0.000132 [mmHg]
Ionization Efficiency	3.76
Ionization Efficiency	2.7
Ionization Efficiency	MeCN (80%)

Physical description & handling notes

• Ethoxyquin is a clear light yellow to dark brown viscous liquid. Discolors and stains badly. Mercaptan-like odor. (NTP, 1992)
• Yellow liquid; [Merck Index] Light yellow to dark brown viscous liquid with an odor like mercaptans; Darkened by light and air; [CAMEO] Formulated as an emulsifiable concentrate and an impregnated wrap; [Reference #2] Dark brown liquid; [Aldrich MSDS]
• YELLOW LIQUID
• less than 32 °F (NTP, 1992)
• less than 1 mg/mL at 68 °F (NTP, 1992)
• 1.029 to 1.031 at 77 °F (NTP, 1992)

Regulatory Status

Regulatory & Food Contact	FDA Substance added to food: ANTIOXIDANT FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS

GHS Hazard Classification

Reported hazard statements	H302, H411 (36.9%), H317, H320, H370, H372

Documented Uses

• Used as an additive to animal feed; [Kanerva, p. 1793] Used as an antioxidant for food and feed and as anti-degradation agent for rubber; [Merck Index] Also used as a post-harvest dip for apples and pears; [ChemIDplus] Registered in the US as an antioxidant for the control of post-harvest scald (browning) in pears; Also registered with the FDA as a preservative for animal feed, dehydrated crops, sorghum, and for color preservation in chili powder, paprika, and ground chili; [Reference #2]
• Farming (Feed Additives) [Category: Industry]
• ANTIOXIDANT IN FEED & FOOD; ANTIDEGRADATION AGENT FOR RUBBER
• Antioxidant, used as post-harvest fruit-drop to prevent common scald of apples & pears in storge; Formerly added to poultry feeds & forage crops
• For more Uses (Complete) data for ETHOXYQUIN (11 total), please visit the HSDB record page.
• Pharmaceuticals -> Animal Drugs -> Approved in Taiwan

Synonyms

ethoxyquin; 91-53-2; 6-Ethoxy-2,2,4-trimethyl-1,2-dihydroquinoline; Santoquin; Ethoxyquine; Antioxidant EC; Stop-Scald; Nix-Scald; Santoquine; Niflex; Santoflex A; Santoflex AW; Dawe's nutrigard; Nocrack AW; Quinol ED; Aries Antox

Frequently Asked Questions

What are the CAS number and molecular formula of Ethoxyquin powder?

CAS 91-53-2; molecular formula C14H19NO; molecular weight — g/mol.

What other names is Ethoxyquin powder known by?

ethoxyquin, 91-53-2, 6-Ethoxy-2,2,4-trimethyl-1,2-dihydroquinoline, Santoquin, Ethoxyquine, Antioxidant EC.

What is the regulatory status of Ethoxyquin powder?

Documented regulatory listings: FDA Substance added to food: ANTIOXIDANT; FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS.

Is Ethoxyquin powder classified as hazardous?

Hazard statements reported: H302, H411, H317, H320, H370.

What are the key physical properties of Ethoxyquin powder?

Boiling Point: 253 to 257 °F at 2 mmHg (NTP, 1992); Boiling Point: 123-125 °C AT 2 MM HG; Melting Point: Approximately 0 °C; Flash Point: 225 °F (NTP, 1992).

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.